朗文3BUnit3过去时市公开课一等奖百校联赛获奖课件.pptx

第1页SUNMONTUEWEDTHUFRISAT12345678910111213141516171819202122232425262728todayyesterdaythree days agolast week2月the day before yesterday第2页SUNMONTUEWEDTHUFRISAT123456789101112131415161718192021222324252627282930311月last month第3页SUNMONTUEWEDTHUFRISAT1234567891011121314151617181920212223242526272829303112月last year第4页last 上一个上一个ago 以前以前yesterday 昨天昨天第5页2月24日nowbeforefutureWe are going to talk about“before”.So we use the“past tense”.（过去式）（过去式）the past第6页todayyesterdayIt is sunny today.It was rainy yesterday.第7页todayyesterdayHe is happy today.He was sad yesterday.第8页todayyesterdayI am in Guangzhou today.I was in Beijing yesterday.第9页todayyesterdayHer hair is short today.Her hair was long yesterday.第10页todayyesterdayThey are at school today.They were at home yesterday.第11页She is two years old now.She _ one year old last year.There are two dogs in my house today.There _ three dogs in my houseyesterday.Today is Thursday.(Yesterday _ Wednesday.)第12页I am not hungry now.I _ hungry two hours ago.We are in Grade Five now.We _ in Grade Four last year.Where is Tom?Where _ Tom yesterday?第13页be动词过去式：动词过去式：1.am-was/w wOOzz/2.is-was/w/wOOz/,z/,3.are-were/w/wE:E:/,/,第14页1.否定句在否定句在was,were 后面直接加后面直接加notwas not=wasnt were not=werent2.疑问句把疑问句把was和和were 移到主语前面。移到主语前面。第15页请把下面句子变成否定句、疑问句请把下面句子变成否定句、疑问句并回答。并回答。1.He was tired yesterday.2.They were in China last year.3.I was short before.4.It was Sunday yesterday.第16页todayyesterdayI play football today.I played table tennis yesterday.第17页yesterdayShe washed her face yesterday.第18页yesterdayShe picked some flowers yesterday.第19页yesterdayThe baby watched TV yesterday.第20页yesterdayThey skipped yesterday.第21页yesterdayThe boy helped the girl yesterday.第22页yesterdayThey danced yesterday.第23页行为动词过去式改变规则：行为动词过去式改变规则：1.直接加直接加ed,2.(辅元辅辅元辅)双写最终一个字母加双写最终一个字母加ed,3.变变y为为i加加ed(y前面是元音不用变前面是元音不用变),4.以以e结尾词直接加结尾词直接加d。第24页行为动词过去式行为动词过去式否定句否定句：在动词前面加上在动词前面加上didnt,动词变原形。动词变原形。He watched TV yesterday.He didnt watch TV yesterday.第25页行为动词过去式行为动词过去式普通普通疑问句疑问句：在句子开头加上在句子开头加上Did,动词变原形。动词变原形。He watched TV yesterday.Did he watch TV yesterday?Yes,he did./No,he didnt.第26页行为动词过去式行为动词过去式特殊特殊疑问句疑问句：提问有提问有did,回答动词用过去式回答动词用过去式.。What did you do yesterday?I played basketball.第27页请把下面句子变成否定句、疑问句请把下面句子变成否定句、疑问句并回答。并回答。1.I was thirsty.2.Lily washed her hands.3.My parents were at home.4.I watched TV last night.第28页I played basketball.What did you do yesterday?Past tenseWe make questions with did.Dont change the verb after did.第29页Now you try.I _the dishes.What did you do yesterday?wash the disheswashed第30页I _ my grandparents.What _ you do yesterday?visitmygrandparentsdidvisited第31页He _ pictures.didpaintedWhat _ Charlie do yesterday?Charlie,paint pictures第32页What did the boy do yesterday?A.skipped B.picked flowersC.danced第33页What did the lady do last Sunday?A.cooked B.cleaned the houseC.watched TV第34页What did the man do two days ago?A.cried B.watched TVC.listened to music第35页What did the man do last week?A.skipped B.skatedC.danced第36页SundayMondayTuesdayWednesdayThursdayFridaySaturdayLast Week第37页1.Was the boy happy yesterday?2.What did Jack do last week?3.Were you hungry yesterday?.4.What did the tigers do last Sunday?第38页助动词小窍门：助动词小窍门：1.提问是提问是do,回答用动词原形。回答用动词原形。2.提问是提问是does,回答动词加回答动词加s.3.提问是提问是did，回答动词用过去式，回答动词用过去式.(pre)chapter 3第39页1.What does he do every day2.What do they do after school?3.What did she do yesterday?He sings.They play basketball.She cleaned the house.第40页1.What did she do yesterday?2.What does he do every day?3.What do they do after school?She cooked.He goes swimming.They often run.第41页camping第42页play hide-and-seek第43页boil water第44页pick up rubbish第45页cook a meal第46页ed读音规则：读音规则：1.以清辅音结尾词读以清辅音结尾词读/t/,2.以浊辅音结尾词读以浊辅音结尾词读/d/,3.以元音结尾词读以元音结尾词读/d/,4.以以t或或d结尾词读结尾词读/id/。第47页cook-cookedlisten-listenedwatch-watchedwash-washeduse-usedpick-pickedskip-skippedwater-wateredlike-likeddance-dancedstudy-studiedenjoy-enjoyedcry-criedstay-stayedplant-plantedstart-startedwant-wantedneed-neededend-ended第48页主语主语（人物、（人物、动物、物品）动物、物品）+动词动词(play,open,dance,help,cook,wash,study,listen,work,skipfish,clean,jump,water,paint)+时间时间(yesterday,last,ago)第49页YesterdayTomBenLilyJanetPeterSally第50页firewood/aiE/u/aiE/u/There is not enough firewood for tonight./I/V/I/V/足够足够 第51页leaf/i:/i:/make a fire with leaves 生火生火 leaves/i:/i:/第52页1.They dont burn燃烧燃烧./E:/E:/2.find more更多更多 firewood /O:/O:/3.help to prepare准备准备 lunch /I/eE/I/eE/4.bring带来带来 a lot of firewood /I/O/I/O/很多很多第53页tin/I/I/第54页pork/O:/O:/第55页1.soon 很快很快 2.paper plate 纸碟纸碟3.suddenly 突然突然4.blow away 吹走吹走5.shall 将要将要6.usefor 把把当做当做7.taste 尝尝8.yummy 美味美味第56页